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316.0 Protection of Piping, Tubing, Materials, and Structures

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316.1 General
Piping or tubing passing under or through walls shall be protected from breakage. Piping passing through or under cinders or other corrosive materials shall be protected from external corrosion in an approved manner. Approved provisions shall be made for expansion of hot water piping. Voids around piping or tubing passing through concrete floors on the ground shall be sealed.
316.2 Installation
Piping or tubing shall be installed so that the piping, tubing, or connections will not be subject to undue strains or stresses, and provisions shall be made for expansion, contraction, and structural settlement. No piping or tubing, unless designed and listed for such use, shall be directly embedded in concrete or masonry. No structural member shall be seriously weakened or impaired by cutting, notching, or otherwise as defined in the building code.
316.3 Corrosion, Erosion, and Mechanical Damage
Piping or tubing subject to corrosion, erosion, or mechanical damage shall be protected in an approved manner.
316.4 Protectively Coated Pipe
Protectively coated pipe or tubing shall be inspected and tested, and a visible void, damage, or imperfection to the pipe coating shall be repaired in an approved manner.
316.5 Fire-Resistant Construction
Piping, tubing, and duct system penetrations of fire-resistance-rated walls, partitions, floors, floor/ceiling assemblies, roof/ceiling assemblies, or shaft enclosures shall be protected in accordance with the requirements of the building code.
316.6 Steel Nail Plates
Plastic piping or tubing, copper or copper alloy piping or tubing, and ducts penetrating framing members to within 1 inch (25.4 mm) of the exposed framing shall be protected by steel nail plates not less than No. 18 gauge (0.0478 inches) (1.2141 mm) in thickness. The steel nail plate shall extend along the framing member not less than 11/2 inches (38 mm) beyond the outside diameter of the pipe or tubing.
Exception: See Section 1310.3.3.
316.7 Sleeves
Sleeves shall be provided to protect piping through concrete and masonry walls and concrete floors.
Exception: Sleeves shall not be required where openings are drilled or bored.
316.7.1 Building Loads
Piping or tubing through concrete or masonry walls shall not be subject to a load from building construction.
316.7.2 Exterior Walls
In exterior walls, annular space between sleeves and pipes or tubing shall be sealed and made watertight, as approved by the Authority Having Jurisdiction. A penetration through fire-resistive construction shall be in accordance with Section 316.5.
316.8 Firewalls
A pipe sleeve through a firewall shall have the space around the pipe or tubing completely sealed with an approved fire-resistive material in accordance with other codes.
316.9 Structural Members
A structural member weakened or impaired by cutting, notching, or otherwise shall be reinforced, repaired, or replaced so as to be left in a safe structural condition in accordance with the requirements of the building code.
316.10 Rodentproofing
Mechanical system shall be constructed in such a manner as to restrict rodents or vermin from entering a building by following the ductwork from the outside into the building.
316.11 Metal Collars
In or on buildings where openings have been made in walls, floors, or ceilings for the passage of ductwork or pipes, such openings shall be closed and protected by the installation of approved metal collars securely fastened to the adjoining structure.

Related Code Sections

316.0 General Regulations, Protection of Piping, Tubing, Materials, and Structures
Piping or tubing passing under or through walls shall be protected from breakage. Piping passing through or under cinders or other corrosive ...
316.7 General Regulations, Sleeves
Sleeves shall be provided to protect piping through concrete and masonry walls and concrete floors. Exception: Sleeves shall not be required where ...
316.8 General Regulations, Firewalls
A pipe sleeve through a firewall shall have the space around the pipe or tubing completely sealed with an approved fire-resistive material ...
316.10 General Regulations, Rodentproofing
Mechanical system shall be constructed in such a manner as to restrict rodents or vermin from entering a building by following the ductwork from ...